Search found 18 matches

by Tian
Wed May 28, 2014 4:54 pm
Forum: Bugs, problems, questions & feeback
Topic: 3D lat example request
Replies: 16
Views: 6977

Re: 3D lat example request

Thanks. Now everything looks make sense and volume check also looks fine.
by Tian
Wed May 28, 2014 12:27 pm
Forum: Bugs, problems, questions & feeback
Topic: 3D lat example request
Replies: 16
Views: 6977

Re: 3D lat example request

What I mean is that in that 3D lattice calculation, the printed output power seems only matches the power in unit of W/cm rather than W, looks like Serpent is performing a 2D calculation rather than 3D. And also the output power looks related to the number of elements in z direction. I am not quite ...
by Tian
Wed May 28, 2014 10:55 am
Forum: Bugs, problems, questions & feeback
Topic: 3D lat example request
Replies: 16
Views: 6977

3D lat example request

I am writing a 3D burn up model of a single assembly, for the lattice I have two choices, lattice type 11 and lattice type 9. For type 11 I found that the output power is not in W but in W/cm, and for type 9 I come cross overlap problems when I put cells together. Is it possible for me to have two e...
by Tian
Wed Apr 16, 2014 3:53 pm
Forum: Bugs, problems, questions & feeback
Topic: Serpent 2.1.18 question on power normalization difference
Replies: 4
Views: 2539

Re: Serpent 2.1.18 question on power normalization difference

Thank you for your kind answer, very helpful. I checked my input. I found in fact I was performing a 2D lattice calculation in 3D boundary condition. so I set x and y boundary as periodic and z as black, I write a detector to check the thermal flux at z direction and got a cos shape flux. But the qu...
by Tian
Thu Apr 10, 2014 3:33 pm
Forum: Bugs, problems, questions & feeback
Topic: Serpent 2.1.18 question on power normalization difference
Replies: 4
Views: 2539

Serpent 2.1.18 question on power normalization difference

I am confused by the power normalization difference between using option heating power and power density. I am doing a simple normal PWR assembly burn up calculation. To normalize power I set the power density as 26E-3 kW/g, which is calculated by core thermal power divided by number of assemblies a...
by Tian
Mon Mar 10, 2014 1:28 pm
Forum: Bugs, problems, questions & feeback
Topic: 2.1.18 soluble absorber command
Replies: 2
Views: 2199

2.1.18 soluble absorber command

I am new to serpent. When I trying to run the input with cammand "set abs <solu> <conc> <mat>" I got a error massage"Input error in parameter "abs" on line 112 in file <input>, Method not supported in Serpent 2 " Is this function still available in Serpent 2.1.18? Or it is due to I use the command w...